<!doctype html>
<html>
<head>
  <title>Network | Clustering</title>

  <script type="text/javascript" src="../../../dist/vis.js"></script>
  <link href="../../../dist/vis-network.min.css" rel="stylesheet" type="text/css" />

  <style type="text/css">
    #mynetwork {
        width: 600px;
        height: 600px;
        border: 1px solid lightgray;
    }
    p {
        max-width:600px;
    }

    h4 {
        margin-bottom:3px;
    }
  </style>
  
</head>

<body>


<p>
Demonstrating getBaseEdge, getClusteredEdges updateEdge and updateClusteredNode. <br/><ul><li>Clicking on the cluster will change it to a star (updateClusteredNode).</li>
<li>Clicking on an edge will make it red regardless of whether it is a clusteredEdge or not (updateEdge)</li>
<li>Clicking on an edge will also show the results of getBaseEdge and getClusteredEdge</li>
</ul>
</p>

<div id="mynetwork"></div>
<pre id="eventSpan"></pre>

<script type="text/javascript">
  // create an array with nodes
    var nodes = [
        {id: 1,  label: 'Node 1', color:'orange'},
        {id: 2,  label: 'Node 2', color:'DarkViolet', font:{color:'white'}},
        {id: 3,  label: 'Node 3', color:'orange'},
        {id: 4,  label: 'Node 4', color:'DarkViolet', font:{color:'white'}},
        {id: 5,  label: 'Node 5', color:'orange'},
        {id: 6,  label: 'cid = 1', cid:1, color:'orange'},
        {id: 7,  label: 'cid = 1', cid:1, color:'DarkViolet', font:{color:'white'}},
        {id: 8,  label: 'cid = 1', cid:1, color:'lime'},
        {id: 9,  label: 'cid = 1', cid:1, color:'orange'},
        {id: 10, label: 'cid = 1', cid:1, color:'lime'}
    ];

    // create an array with edges
    var edges = [
        {from: 1, to: 2},
        {from: 1, to: 3},
        {from: 10, to: 4},
        {from: 2, to: 5},
        {from: 6, to: 2},
        {from: 7, to: 5},
        {from: 8, to: 6},
        {from: 9, to: 7},
        {from: 10, to: 9}
    ];

    // create a network
    var container = document.getElementById('mynetwork');
    var data = {
        nodes: nodes,
        edges: edges
    };
    var options = {layout:{randomSeed:8}};
    var network = new vis.Network(container, data, options);
    var clusterOptionsByData = {
        joinCondition:function(childOptions) {
            return childOptions.cid == 1;
        },
        clusterNodeProperties: {id:'cidCluster', borderWidth:3, shape:'database'}
    };
    network.cluster(clusterOptionsByData);

    network.on("selectNode", function(params) {
        if (params.nodes.length == 1) {
            if (network.isCluster(params.nodes[0]) == true) {
                network.clustering.updateClusteredNode(params.nodes[0], {shape : 'star'});
            }
        }
    });

    network.on("selectEdge", function(params) {
        if (params.edges.length == 1) {
            // Single edge selected
            var obj = {};
            obj.clicked_id = params.edges[0];
            network.clustering.updateEdge(params.edges[0], {color : '#aa0000'});
            obj.base_edge = network.clustering.getBaseEdge(params.edges[0]);
            obj.all_clustered_edges = network.clustering.getClusteredEdges(params.edges[0]);
            document.getElementById('eventSpan').innerHTML = '<h2>selectEdge event:</h2>' + JSON.stringify(obj, null, 4);
        }
    });


</script>

</body>
</html>
